Finding the Third Proportional to 131.63 and 265.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131.63 : 265.50 = 265.50 : x
2. Step 2: Convert to fraction form
   131.63/265.50 = 265.50/x
3. Step 3: Cross multiply
   131.63x = 265.50 × 265.50
4. Step 4: Simplify right side
   131.63x = 70,490.25
5. Step 5: Solve for x
   x = 70,490.25/131.63
6. Step 6: Final answer
   x = 535.54